We get that the top people are rich (The green color) and the blue colors are the second colors are the people below them the third are middle and lower class families or people the little yellow color is the poor people in poverty and homelessness.
The vast majority of wealth in the US is held by a small percentage of the population, just 20%. According the the graph, the top 20% own about 85% of America's wealth. On the other hand, those in the bottom 40% own less than 1% of the wealth
